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A tower is broken at a point P above the ground. The top of the tower makes an angle 60? with the ground at Q. From another point R on the opposite side of Q angle of elevation of point P is 30?. If QR = 180 m, then what is the total height (in metres) of the tower?
- A90
- B$45\sqrt{3}$
- C$45(\sqrt{3}+1)$
- D$45(\sqrt{3}+2)$
Answer not set